CN105043861A - High-low-temperature stretching rotary compression fixture for stretching test machine - Google Patents
High-low-temperature stretching rotary compression fixture for stretching test machine Download PDFInfo
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- CN105043861A CN105043861A CN201510586570.8A CN201510586570A CN105043861A CN 105043861 A CN105043861 A CN 105043861A CN 201510586570 A CN201510586570 A CN 201510586570A CN 105043861 A CN105043861 A CN 105043861A
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Abstract
A high-low-temperature stretching rotary compression fixture for a stretching test machine is characterized in that an upper connection plate, an upper pressing plate, a lower pressing plate and a lower connection plate are included and sequentially arranged in parallel from top to bottom; an upper connection rod is arranged in the middle of the upper side of the upper connection plate, and a lower connection rod is arranged in the middle of the lower side of the lower connection plate; at least three vertical upper pulling rods are arranged on the lower side of the upper connection plate in a round array; sliding holes are formed in the positions, corresponding to the upper pulling rods, on the upper pressing plate, and the upper pulling rods penetrate through the sliding holes to be connected with the lower pressing plate; at least three vertical lower pulling rods are arranged on the upper side of the lower connection plate in a round array; sliding holes are formed in the positions, corresponding to the lower pulling rods, on the lower pressing plate, and the lower pulling rods penetrate through the sliding holes to be connected with the upper pressing plate. The fixture has the advantages that the structure is simple, cost is low, using is easy and convenient, time and labor are saved, the stress direction of samples is stable, stress is uniform and measurement errors are small.
Description
Technical field
The present invention relates to elastomeric material detection technique field, say it is that a kind of structure is simple, with low cost, easy to use, time saving and energy saving in detail, sample Impact direction is stable, uniform force, the cupping machine high/low temperature that measuring error is little stretches and turns compression clamp.
Background technology
The test of elastomeric material high/low temperature compression performance is one of important evidence of evaluation elastomeric material quality, and domestic elastomeric material mechanics performance testing technology lacks the method for testing of high/low temperature compression performance index for a long time.And in high/low temperature tension test, for ensureing the requirement that sample is axially stressed all the time, the articulated structure that the matable assemblies such as the pull bar of stretching clamp adopt pin to connect, to realize automatic centering, and most cupping machine pressure transducer used is unidirectional, cause utilizing conventional compact fixture to carry out high/low temperature compression test.State Intellectual Property Office discloses an applying date and is: 2014-09-15, application number are: 201420526648.8, name is called: a kind of utility model patent of plate tensile sample high temperature tensile properties test fixture, particular content disclosed in it is: a kind of high temperature compressed fixture, it is characterized in that comprising upper connecting rod, lower link, upper holder block and lower lock block; Described upper connecting rod is cylindrical, and the stretching end of upper connecting rod is provided with stretching cavity along draw direction, and limit, elongated cavity side is provided with through hole; Described lower link is cylindrical, and the stretching end of lower link is provided with stretching cavity along draw direction, and limit, elongated cavity side is provided with through hole; The external diameter of described lower link is less than in upper connecting rod the internal diameter of the cavity that stretches, and the stretching end of drop-down boom inserts in the stretching cavity of pull-up boom; Described upper holder block and lower lock block are each passed through the through hole on upper connecting rod and lower link.Although said structure produces change pulling force into pressure, there is following shortcoming in it: 1, upper connecting rod, lower link all need to process elongated cavity, limit, elongated cavity side is provided with through hole, processed complex, processing cost is high.When 2, using need the elongated cavity of upper connecting rod and lower link to be mutually socketed, to be aligned by the through hole on two elongated cavities, then upper holder block and lower lock block are placed in the through hole aligned, then need upwards to lift upper holder block, just can lay sample to be measured; Complicated operation, to waste time and energy.3, two elongated cavity grafting, relative sliding, centering weak effect; Sample needs to be placed on the axis of the center of upper holder block and lower lock block, upper connecting rod and lower link, otherwise sample Impact direction is indefinite, unbalance stress, and test error is large, and precision is low.
Summary of the invention
The object of the invention is to solve above-mentioned the deficiencies in the prior art, provide a kind of structure simple, with low cost, easy to use, time saving and energy saving, sample Impact direction is stable, uniform force, the cupping machine high/low temperature that measuring error is little stretches and turns compression clamp.
The present invention solves the technical scheme that above-mentioned the deficiencies in the prior art adopt:
A kind of cupping machine high/low temperature stretches and turns compression clamp, and it is characterized in that: comprise upper junction plate, top board, lower platen and lower connecting plate, upper junction plate, top board, lower platen and lower connecting plate be arranged in parallel from top to bottom successively; On upper junction plate, middle side part is provided with upper connecting rod, and under lower connecting plate, middle side part is provided with lower connecting rod; On the downside of upper junction plate (on) rounded array has at least three vertical upper connecting rods, and top board is provided with slide opening with upper connecting rod opposite position, upper connecting rod is connected with lower platen through slide opening; On the upside of lower connecting plate (on) rounded array has at least three vertical lower links, lower platen up and down pull bar opposite position is provided with slide opening, and lower link is connected with top board through slide opening.
The dead in line of the upper connecting rod described in the present invention and lower connecting rod; The center of circle of the circular array at upper connecting rod and lower link place is positioned on the axis of upper connecting rod and lower connecting rod.
Upper junction plate described in the present invention, top board, lower platen and lower connecting plate are measure-alike circular slab, and the center of circle of circular slab is positioned on the axis of upper connecting rod and lower connecting rod.
Upper connecting rod described in the present invention and lower link lay respectively at upper junction plate and lower connecting plate edge.Top board can be free to slide on upper connecting rod, and lower platen can be free to slide on lower link.
Threaded hole is provided with in the middle part of upper junction plate described in the present invention and lower connecting plate, upper connecting rod and lower connecting rod are threaded with the threaded hole in the middle part of upper junction plate and lower connecting plate respectively, and the upper connecting rod lower end on the downside of upper junction plate and the lower connecting rod upper end on the upside of lower connecting plate are respectively equipped with locking nut.
Upper connecting rod bottom described in the present invention and lower link upper end are threaded with lower platen and top board respectively, and the upper connecting rod upper end on the upside of upper junction plate and the lower link bottom on the downside of lower connecting plate are respectively equipped with clamp nut.
Upper connecting rod described in the present invention and lower connecting rod are respectively equipped with radial through connecting hole.For being connected with cupping machine.
When the present invention uses, in high-low temperature test chamber, upper connecting rod is connected with lower chuck with the upper grip of cupping machine respectively with lower connecting rod, rubbery sample to be measured is placed between top board and lower platen, cupping machine can be converted to the extruding force of upper and lower pressing plate to the pulling force of upper and lower connecting link, completes test.The present invention is made up of through being threaded with many screw rods four blocks of plates, and structure is simple, with low cost; Only need sample to be placed in use procedure on the lower platen in the middle of pull bar, the placement of sample operates without the need to strict centering or lifts draws, installs any parts, easy to use, time saving and energy saving; Sample Impact direction is stable, uniform force, and measuring error is little, precision is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the A-A cut-open view of Fig. 1.
Embodiment
A kind of cupping machine high/low temperature as Figure 1-3 stretches and turns compression clamp, and comprise upper junction plate 2, top board 4, lower platen 6 and lower connecting plate 8, upper junction plate 2, top board 4, lower platen 6 and lower connecting plate 8 be arranged in parallel from top to bottom successively; On upper junction plate 2, middle side part is provided with upper connecting rod 1, and lower connecting plate 8 times middle side parts are provided with lower connecting rod 9; On the downside of upper junction plate, upper rounded array has at least three vertical upper connecting rods 3, and top board 4 is provided with slide opening with upper connecting rod 3 opposite position, and upper connecting rod 3 is connected with lower platen 6 through slide opening; On the upside of lower connecting plate, upper rounded array has at least three vertical lower links 7, and lower platen 6 up and down pull bar 7 opposite position is provided with slide opening, and lower link 7 is connected with top board 4 through slide opening.Described upper connecting rod 1 and the dead in line of lower connecting rod 9; The center of circle of the circular array at upper connecting rod 3 and lower link 7 place is positioned on the axis of upper connecting rod and lower connecting rod.Described upper connecting rod and lower connecting rod are respectively equipped with radial through connecting hole 10; For being connected with cupping machine.
Further improve, described upper junction plate, top board, lower platen and lower connecting plate are measure-alike circular slab, and the center of circle of circular slab is positioned on the axis of upper connecting rod and lower connecting rod; Optimal stability during fixture work.Described upper connecting rod and lower link are distributed on upper junction plate and lower connecting plate edge respectively.Top board can be free to slide on upper connecting rod, and lower platen can be free to slide on lower link.
Threaded hole is provided with in the middle part of upper junction plate described in the present invention and lower connecting plate, upper connecting rod and lower connecting rod are threaded with the threaded hole in the middle part of upper junction plate and lower connecting plate respectively, and the upper connecting rod lower end on the downside of upper junction plate and the lower connecting rod upper end on the upside of lower connecting plate are respectively equipped with locking nut 11.Described upper connecting rod bottom and lower link upper end are threaded with lower platen and top board respectively, and the upper connecting rod upper end on the upside of upper junction plate and the lower link bottom on the downside of lower connecting plate are respectively equipped with clamp nut.
When the present invention uses, in high-low temperature test chamber, upper connecting rod is connected with lower chuck with the upper grip of cupping machine respectively with lower connecting rod, rubbery sample 5 to be measured is placed between top board and lower platen, cupping machine can be converted to the extruding force of upper and lower pressing plate to the pulling force of upper and lower connecting link, completes test.The present invention is made up of through being threaded with many screw rods four blocks of plates, and structure is simple, with low cost; Only need sample to be placed in use procedure on the lower platen in the middle of pull bar, the placement of sample operates without the need to strict centering or lifts draws, installs any parts, easy to use, time saving and energy saving; Sample Impact direction is stable, uniform force, and measuring error is little, precision is high.
Claims (7)
1. cupping machine high/low temperature stretches and turns a compression clamp, and it is characterized in that: comprise upper junction plate, top board, lower platen and lower connecting plate, upper junction plate, top board, lower platen and lower connecting plate be arranged in parallel from top to bottom successively; On upper junction plate, middle side part is provided with upper connecting rod, and under lower connecting plate, middle side part is provided with lower connecting rod; On the downside of upper junction plate, rounded array has at least three vertical upper connecting rods, and top board is provided with slide opening with upper connecting rod opposite position, and upper connecting rod is connected with lower platen through slide opening; On the upside of lower connecting plate, rounded array has at least three vertical lower links, and lower platen up and down pull bar opposite position is provided with slide opening, and lower link is connected with top board through slide opening.
2. cupping machine high/low temperature according to claim 1 stretches and turns compression clamp, it is characterized in that: described upper connecting rod and the dead in line of lower connecting rod; The center of circle of the circular array at upper connecting rod and lower link place is positioned on the axis of upper connecting rod and lower connecting rod.
3. cupping machine high/low temperature according to claim 1 stretches and turns compression clamp, it is characterized in that: described upper junction plate, top board, lower platen and lower connecting plate are measure-alike circular slab, the center of circle of circular slab is positioned on the axis of upper connecting rod and lower connecting rod.
4. cupping machine high/low temperature according to claim 1 stretches and turns compression clamp, it is characterized in that: described upper connecting rod and lower link lay respectively at upper junction plate and lower connecting plate edge.
5. cupping machine high/low temperature according to claim 1 stretches and turns compression clamp, it is characterized in that: in the middle part of described upper junction plate and lower connecting plate, be provided with threaded hole, upper connecting rod and lower connecting rod are threaded with the threaded hole in the middle part of upper junction plate and lower connecting plate respectively, and the upper connecting rod lower end on the downside of upper junction plate and the lower connecting rod upper end on the upside of lower connecting plate are respectively equipped with locking nut.
6. cupping machine high/low temperature according to claim 1 stretches and turns compression clamp, it is characterized in that: described upper connecting rod bottom and lower link upper end are threaded with lower platen and top board respectively, the upper connecting rod upper end on the upside of upper junction plate and the lower link bottom on the downside of lower connecting plate are respectively equipped with clamp nut.
7. cupping machine high/low temperature according to claim 1 stretches and turns compression clamp, it is characterized in that: described upper connecting rod and lower connecting rod are respectively equipped with radial through connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510586570.8A CN105043861A (en) | 2015-09-15 | 2015-09-15 | High-low-temperature stretching rotary compression fixture for stretching test machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510586570.8A CN105043861A (en) | 2015-09-15 | 2015-09-15 | High-low-temperature stretching rotary compression fixture for stretching test machine |
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| CN105043861A true CN105043861A (en) | 2015-11-11 |
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| CN201510586570.8A Pending CN105043861A (en) | 2015-09-15 | 2015-09-15 | High-low-temperature stretching rotary compression fixture for stretching test machine |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910901A (en) * | 2016-05-04 | 2016-08-31 | 中国人民解放军国防科学技术大学 | Compression stress relaxation test apparatus for rubber test specimens |
| CN107063851A (en) * | 2017-03-10 | 2017-08-18 | 哈尔滨工业大学 | A kind of high temperature compressed test fixture |
| CN108693032A (en) * | 2018-04-24 | 2018-10-23 | 西北工业大学 | A kind of plank compression performance test sample, fixture and method |
| CN109470557A (en) * | 2018-12-26 | 2019-03-15 | 中国化工集团曙光橡胶工业研究设计院有限公司 | A kind of compression test fixture for tensile testing machine |
| CN109883829A (en) * | 2019-03-01 | 2019-06-14 | 哈尔滨理工大学 | One kind being used for composite materials property test macro |
| CN110082200A (en) * | 2018-11-28 | 2019-08-02 | 北京林业大学 | A kind of rubber fatigue tension test platform and rubber fatigue stretching test method |
| CN114166651A (en) * | 2021-12-08 | 2022-03-11 | 北京科技大学 | In-service pressure-bearing equipment micro-sample high-temperature water stress corrosion test device and method |
| CN114674686A (en) * | 2022-05-26 | 2022-06-28 | 湖南大学 | Pre-tensioning type impact test device and impact test method |
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| CN201935801U (en) * | 2010-07-29 | 2011-08-17 | 赛闻（天津）工业有限公司 | Lock catch tensile strength testing assembly |
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| CN103293061A (en) * | 2013-05-30 | 2013-09-11 | 吉林省交通科学研究所 | Compression-resisting and torque-resisting tensile test device for bridge deck pavement |
| CN203798673U (en) * | 2014-04-16 | 2014-08-27 | 四川材料与工艺研究所 | High-temperature compression fixture |
| CN205175817U (en) * | 2015-09-15 | 2016-04-20 | 哈尔滨工业大学（威海） | Tensile compression anchor clamps that change of high low temperature of tensile test machine |
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2015
- 2015-09-15 CN CN201510586570.8A patent/CN105043861A/en active Pending
Patent Citations (8)
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| JP2000292327A (en) * | 1999-04-06 | 2000-10-20 | High Frequency Heattreat Co Ltd | Extension/compression switching device |
| CN201548447U (en) * | 2009-03-06 | 2010-08-11 | 上海电力学院 | Tension-compression test quick switching device |
| CN201935801U (en) * | 2010-07-29 | 2011-08-17 | 赛闻（天津）工业有限公司 | Lock catch tensile strength testing assembly |
| CN102589596A (en) * | 2012-02-27 | 2012-07-18 | 成都九鼎科技(集团)有限公司 | Tool capable of reversing applied force |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910901A (en) * | 2016-05-04 | 2016-08-31 | 中国人民解放军国防科学技术大学 | Compression stress relaxation test apparatus for rubber test specimens |
| CN107063851A (en) * | 2017-03-10 | 2017-08-18 | 哈尔滨工业大学 | A kind of high temperature compressed test fixture |
| CN107063851B (en) * | 2017-03-10 | 2019-08-13 | 哈尔滨工业大学 | A kind of high temperature compressed test fixture |
| CN108693032A (en) * | 2018-04-24 | 2018-10-23 | 西北工业大学 | A kind of plank compression performance test sample, fixture and method |
| CN108693032B (en) * | 2018-04-24 | 2020-05-15 | 西北工业大学 | Plate compression performance test sample, device and method |
| CN110082200A (en) * | 2018-11-28 | 2019-08-02 | 北京林业大学 | A kind of rubber fatigue tension test platform and rubber fatigue stretching test method |
| CN109470557A (en) * | 2018-12-26 | 2019-03-15 | 中国化工集团曙光橡胶工业研究设计院有限公司 | A kind of compression test fixture for tensile testing machine |
| CN109883829A (en) * | 2019-03-01 | 2019-06-14 | 哈尔滨理工大学 | One kind being used for composite materials property test macro |
| CN114166651A (en) * | 2021-12-08 | 2022-03-11 | 北京科技大学 | In-service pressure-bearing equipment micro-sample high-temperature water stress corrosion test device and method |
| CN114674686A (en) * | 2022-05-26 | 2022-06-28 | 湖南大学 | Pre-tensioning type impact test device and impact test method |
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Application publication date: 20151111 |